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Installation - Existing Construction(continued)
6
Connect the duct
Connect a 6 in. circular duct (not supplied) and vent to
the duct connector. Secure it with duct tape (not supplied)
or a clamp (not supplied) to make the connection secure
and air tight.
Insert the duct connector back to the fan housing (A) follow
the guide slot from left to right. And it will be in place with
a "click" sound. Please secure it tightly.
NOTE: If you have to connect to 4in. circular duct, please use a 6in.
to 4in. duct adapter (not supplied).
7
Install the flex bracket
Put the flex bracket (G) inside the ceiling through hole.
Fix the flex bracket (G) onto the joists with 4 screws (D).
The flex bracket is adjustable to fit different space
(12~22inches) between the joists.
Please make sure the bottom of the flex bracket will be
flush with the bottom of the joists.
8
Adjust the inserts of fan housing
Pull the 4 tabs (AA) of the fan housing into the
vertical position.
9
Install the fan housing on bracket
Align the 4 tabs (AA) on the fan housing through the
slots on the flex bracket (G). Then insert the tabs
through the slots until the fan housing (A) sitting on
the flex bracket (G).
Then bend the tabs (AA) to both sides to attach the
fan housing firmly on the flex bracket (G).
Important: Cover and seal up all gaps with duct tape
NOTE: That it is common practice in heating and ventilation
systems using sheet metal ductwork and fittings or flexible duct
work tubing to use duct tape or aluminum tape to ensure air
tight seals and improve efficiency.
Duct tape
Gaps
12
D
G
D
G
AA
Duct tape
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